Kerosene and Deionized water as Dielectric in EDM?

What are the relative advantages and limitations of using kerosene and deionized water as dielectric fluids in EDM?

06 July 2016 6,498 3 View

Is it possible to get a negative contribution in ANOVA?

02 March 2015 6,420 3 View

Which is the best way to obtain surface roughness of a microhole?

Can anyone suggest to me the preferred method for obtaining surface roughness of a microhole i.e., should I drill the microhole first and then cut it into 2 pieces OR drill the microhole at the...

08 September 2014 8,549 2 View

Size of a 3D printing part using ABS material

What is the maximum size of a part that could be produced from ABS material using a 3D printer? It is mentioned in the literature that big size ABS parts are prone to warping.

07 August 2014 5,492 7 View

Titanium or Tantalum?

07 August 2014 6,212 8 View

Is there any relation between diameter of electrode and tool wear rate?

In one literature study, it was mentioned that wear increases with increase in diameter.

07 August 2014 8,226 5 View

Can you suggest some good open source softwares for multi-objective optimization?

Which is the best software to do multi-objective optimization? Can you provide details or list of open source softwares?

07 August 2014 2,987 7 View

Is it okay to take SEM pics without cleaning the pieces?

We are microdrilling holes on some alloys. Do we have to clean the pieces or polish it before SEM pics are taken? Is it a correct procedure or will it cause any changes?

07 August 2014 9,727 10 View

Can we use S/N analysis for Full-factorial experiments?

We are planning to conduct full factorial experiments. I found in most of the literature that the analysis associated with Full Factorial experiments is ANOVA based on coefficients. I wan to know...

06 July 2014 1,898 5 View

How are orthogonal arrays and triangular tables prepared?

If you look at any orthogonal array or at a triangular table, there seems to be some logic in how the numbers are shown and allocated. Is there a connection between the two tables?

04 May 2014 4,407 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

How to Interpret Partial Eta Squared Numbers For a Repeated Measures Anova?

I have obtained Partial Eta Squared Numbers through Two-Way Mixed Anova Analysis. My results for different constructs are: .105, .135, .038, .068, .061 respectively. I wanted to know, whether...

24 February 2021 7,122 1 View

Can we proceed to perform Two-way Mixed-ANOVA despite normality violations?

While testing assumptions, Shapiro-Wilk Test failed. However, I proceeded with the analysis and the interaction effect was significant. During our course- lectures, it was mentioned that Anova...

24 February 2021 228 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Three-way robust ANOVA in R?

I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...

22 February 2021 1,674 8 View

Which test should I use in SPSS if I have two independent variables and one dependent variable that is measured using two tests?

I am researching the effect of gender and video game use on reaction times. To do this, I will have participants complete two reaction time tests (a simple test and a four choice test). I am a...

17 February 2021 9,343 4 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View